King's College London scientists create new aluminum compound for chemical reactions
Updated
Updated · ScienceDaily · May 4
King's College London scientists create new aluminum compound for chemical reactions
10 articles · Updated · ScienceDaily · May 4
Published in Nature Communications, the cyclotrialumane contains three aluminum atoms in a stable triangular trimer and was led by chemist Dr Clare Bakewell.
Researchers said it can split dihydrogen and drive ethene insertion and chain growth, while also forming previously unseen five- and seven-membered aluminum-carbon rings.
The work aims to replace costly metals such as platinum and palladium; aluminum is about 20,000 times cheaper and could support greener industrial chemistry and new materials.
Beyond replacing platinum, what entirely new materials could this unique aluminum triangle unlock for science?
Could this cheap aluminum compound truly end our reliance on the volatile and expensive platinum market?
This 'green' aluminum catalyst seems revolutionary, but what are the hidden energy and environmental costs of its production?
From Lab to Industry: How Cyclotrialumanes Could Cut Catalyst Costs by 20,000x Using Earth-Abundant Aluminum
Overview
In 2025, Dr. Clare Bakewell's team synthesized stable cyclotrialumanes featuring a unique triangular aluminum core stabilized by specially designed ligands. This structure provides remarkable stability in solution and enables dual reactivity: the intact cluster can split hydrogen molecules and promote controlled ethene chain growth, forming novel metal-carbon rings. Leveraging aluminum's abundance and recyclability, these catalysts offer a sustainable and cost-effective alternative to precious metals, with potential applications in polymerization and clean energy. While promising, challenges remain in achieving catalytic turnover, broadening substrate scope, and scaling up production, but this discovery marks a major advance in aluminum chemistry and sustainable catalysis.